Headset



FIG. 1 is a perspective front view of a headset showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines showing the environmental structure of the headset, and the unshaded areas within the broken lines of FIGS. 1-7, are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a headset, as shown and described. 